ACV Auctions Inc. — Director's Dealing 2025

May 30, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ACV Auctions Inc. (ACVA)
CIK: 0001637873
Period of Report: 2025-05-28

Reporting Person: Castillo Kirsten (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-05-28	Class A Common Stock	A	9868	—	Acquired	19107	Direct

Footnotes

F1: Represents a restricted stock unit (RSU) award. The RSUs will vest on the first anniversary of the grant date, provided that the RSUs shall become fully vested as of the day immediately preceding
the next Annual Meeting if such date is sooner than first anniversary of the grant date. Vesting of the RSUs is subject in all cases to the Reporting Person's continuous service through the applicable
vesting date.